X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_shadow_paging.h;h=22b0651481b692f8041bde41d89c62e93c4ed987;hb=6ee36e0a7e4585bd0e4235eeb60644fffe230af3;hp=7799e0650916f39d1bb4db68d538afcfbfe66d61;hpb=a109eb919a162bd7de58d62020801bc2e633be50;p=palacios.git

diff --git a/palacios/include/palacios/vmm_shadow_paging.h b/palacios/include/palacios/vmm_shadow_paging.h
index 7799e06..22b0651 100644
--- a/palacios/include/palacios/vmm_shadow_paging.h
+++ b/palacios/include/palacios/vmm_shadow_paging.h
@@ -1,29 +1,71 @@
-#ifndef __VMM_SHADOW_PAGING_H
-#define __VMM_SHADOW_PAGING_H
+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National 
+ * Science Foundation and the Department of Energy.  
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico.  You can find out more at 
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> 
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org> 
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+#ifndef __VMM_SHADOW_PAGING_H__
+#define __VMM_SHADOW_PAGING_H__
+
+
+#ifdef __V3VEE__
 
+#include <palacios/vmm_util.h>
+#include <palacios/vmm_paging.h>
+#include <palacios/vmm_hashtable.h>
+#include <palacios/vmm_list.h>
+#include <palacios/vmm_msr.h>
 
+#include <palacios/vmm_config.h>
 
-#include <palacios/vmm_util.h>
 
+struct guest_info;
+
+struct v3_shdw_pg_impl {
+    char * name;
+    int (*init)(struct v3_vm_info * vm, v3_cfg_tree_t * cfg);
+    int (*deinit)(struct v3_vm_info * vm);
+    int (*local_init)(struct guest_info * core);
+    int (*local_deinit)(struct guest_info * core);
+    int (*handle_pagefault)(struct guest_info * core, addr_t fault_addr, pf_error_t error_code);
+    int (*handle_invlpg)(struct guest_info * core, addr_t vaddr);
+    int (*activate_shdw_pt)(struct guest_info * core);
+    int (*invalidate_shdw_pt)(struct guest_info * core);
+};
 
 
-#include <palacios/vmm_paging.h>
 
-struct shadow_page_state {
+struct v3_shdw_impl_state {
+    
+    struct v3_shdw_pg_impl * current_impl;
+    void * impl_data;
+};
 
-  // these two reflect the top-level page directory
-  // of the guest page table
-  paging_mode_t           guest_mode;
-  reg_ex_t                guest_cr3;         // points to guest's current page table
+struct v3_shdw_pg_state {
 
-  // Should this be here??
-  reg_ex_t                guest_cr0;
+    // virtualized control registers
+    v3_reg_t guest_cr3;
+    v3_reg_t guest_cr0;
+    v3_msr_t guest_efer;
 
-  // these two reflect the top-level page directory 
-  // the shadow page table
-  paging_mode_t           shadow_mode;
-  reg_ex_t                shadow_cr3;
+    void * local_impl_data;
 
+#ifdef V3_CONFIG_SHADOW_PAGING_TELEMETRY
+    uint_t guest_faults;
+#endif
 
 };
 
@@ -32,16 +74,43 @@ struct shadow_page_state {
 
 
 
-struct guest_info;
+int v3_init_shdw_impl(struct v3_vm_info * vm);
+int v3_deinit_shdw_impl(struct v3_vm_info * vm);
+
+int v3_init_shdw_pg_state(struct guest_info * core);
+int v3_deinit_shdw_pg_state(struct guest_info * core);
+
+
+/* Handler implementations */
+int v3_handle_shadow_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
+int v3_handle_shadow_invlpg(struct guest_info * info);
+
+/* Actions.. */
+int v3_activate_shadow_pt(struct guest_info * info);
+int v3_invalidate_shadow_pts(struct guest_info * info);
+
+
+/* Utility functions for shadow paging implementations */
+int v3_inject_guest_pf(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
+int v3_is_guest_pf(pt_access_status_t guest_access, pt_access_status_t shadow_access);
+
+
+
+
 
+int V3_init_shdw_paging();
+int V3_deinit_shdw_paging();
 
-int init_shadow_page_state(struct shadow_page_state * state);
+#define register_shdw_pg_impl(impl)					\
+    static struct v3_shdw_pg_impl * _v3_shdw_pg_impl			\
+    __attribute__((used))						\
+	__attribute__((unused, __section__ ("_v3_shdw_pg_impls"),	\
+		       aligned(sizeof(addr_t))))			\
+	= impl;
 
-// This function will cause the shadow page table to be deleted
-// and rewritten to reflect the guest page table and the shadow map
-int wholesale_update_shadow_page_state(struct guest_info * guest_info);
 
 
 
+#endif // ! __V3VEE__
 
 #endif